/**
 * 账游管理后台 — 自定义样式
 * 基于 Bootstrap 5，贴合 DESIGN.md 的 Apple 风格设计系统
 */

/* ========== 设计变量 ========== */
:root {
  /* Apple 风格色彩 */
  --color-black: #000000;
  --color-light-gray: #f5f5f7;
  --color-near-black: #1d1d1f;
  --color-white: #ffffff;
  --color-apple-blue: #0071e3;
  --color-link-blue: #0066cc;
  --color-bright-blue: #2997ff;

  /* 文字颜色 */
  --text-primary: #1d1d1f;
  --text-secondary: rgba(0, 0, 0, 0.8);
  --text-tertiary: rgba(0, 0, 0, 0.48);

  /* 阴影 */
  --shadow-card: rgba(0, 0, 0, 0.22) 3px 5px 30px 0px;

  /* 圆角 */
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 980px;

  /* 间距 */
  --spacing-unit: 8px;
}

/* ========== 全局重置 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
    'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: var(--color-light-gray);
  color: var(--text-primary);
  letter-spacing: -0.374px;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-link-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

/* ========== 导航栏（Apple 毛玻璃风格） ========== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  height: 48px;
}

.app-header-inner {
  max-width: 980px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
}

.app-logo {
  color: var(--color-white);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.28px;
  text-decoration: none;
}

.app-logo:hover {
  text-decoration: none;
  color: var(--color-white);
}

.app-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-header-user {
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  font-weight: 400;
}

.app-header-login,
.app-header-logout {
  color: var(--color-white);
  font-size: 12px;
  font-weight: 400;
  text-decoration: none;
}

.app-header-login:hover,
.app-header-logout:hover {
  color: var(--color-bright-blue);
  text-decoration: none;
}

/* ========== 应用容器布局 ========== */
.app-container {
  display: flex;
  min-height: calc(100vh - 48px);
}

.app-main {
  flex: 1;
  padding: 40px;
  max-width: 100%;
  overflow-x: hidden;
}

.app-main-full {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 48px);
  padding: 40px 22px;
}

/* ========== 侧边栏 ========== */
.app-sidebar {
  width: 240px;
  background: var(--color-white);
  border-right: 1px solid rgba(0, 0, 0, 0.04);
  padding: 24px 0;
  flex-shrink: 0;
}

.app-sidebar-nav {
  padding: 0 12px;
}

.app-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.app-menu-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  margin-bottom: 4px;
}

.app-menu-item a:hover {
  background-color: var(--color-light-gray);
  text-decoration: none;
  color: var(--text-primary);
}

.app-menu-item.active a {
  background-color: var(--color-apple-blue);
  color: var(--color-white);
}

.app-menu-item.active a:hover {
  background-color: var(--color-apple-blue);
  color: var(--color-white);
}

/* ========== 两级菜单：分组 + 子菜单 ========== */
.app-menu-group {
  margin-bottom: 4px;
}

.app-menu-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
  user-select: none;
}

.app-menu-group-header:hover {
  background-color: var(--color-light-gray);
  text-decoration: none;
  color: var(--text-primary);
}

.app-menu-group-header svg {
  flex-shrink: 0;
}

.app-menu-chevron {
  margin-left: auto;
  display: flex;
  align-items: center;
  transition: transform 0.2s ease;
  opacity: 0.4;
}

.app-menu-group-header[data-expanded="true"] .app-menu-chevron {
  transform: rotate(90deg);
}

.app-sub-menu {
  list-style: none;
  padding: 4px 0 4px 20px;
  margin: 0;
  overflow: hidden;
}

.app-sub-menu .app-menu-item a {
  padding: 9px 16px 9px 36px;
  font-size: 13px;
  color: var(--text-tertiary);
  position: relative;
}

.app-sub-menu .app-menu-item a::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  transition: background 0.2s ease;
}

.app-sub-menu .app-menu-item a:hover::before {
  background: var(--color-apple-blue);
}

.app-sub-menu .app-menu-item.active a {
  color: var(--color-apple-blue);
  background-color: rgba(0, 113, 227, 0.06);
}

.app-sub-menu .app-menu-item.active a::before {
  background: var(--color-apple-blue);
}

/* ========== 仪表盘 ========== */
.dashboard {
  max-width: 980px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 40px;
}

.page-title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: normal;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 21px;
  font-weight: 400;
  line-height: 1.19;
  color: var(--text-secondary);
}

/* ========== 统计卡片 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-blue {
  background: rgba(0, 113, 227, 0.1);
  color: var(--color-apple-blue);
}

.stat-icon-green {
  background: rgba(52, 199, 89, 0.1);
  color: #34c759;
}

.stat-icon-orange {
  background: rgba(255, 149, 0, 0.1);
  color: #ff9500;
}

.stat-icon-purple {
  background: rgba(175, 82, 222, 0.1);
  color: #af52de;
}

.stat-value {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--text-primary);
}

.stat-label {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ========== 区块 ========== */
.section-block {
  margin-bottom: 48px;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.14;
  color: var(--text-primary);
  margin-bottom: 24px;
}

/* ========== 快捷操作卡片 ========== */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.action-card {
  display: block;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.action-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.action-card-title {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.19;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.action-card-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  color: var(--text-secondary);
}

/* ========== 登录页 ========== */
.login-page {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.login-logo {
  margin-bottom: 24px;
}

.login-logo-text {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.28px;
  color: var(--text-primary);
}

.login-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.14;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-subtitle {
  font-size: 17px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.login-error {
  background: rgba(255, 59, 48, 0.08);
  color: #ff3b30;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 20px;
  text-align: left;
}

.login-form {
  text-align: left;
}

.form-group {
  margin-bottom: 16px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  font-size: 17px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--color-light-gray);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--color-apple-blue);
  box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
  background: var(--color-white);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--color-apple-blue);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 400;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin-top: 8px;
}

.login-btn:hover {
  background: #005bb5;
}

.login-btn:active {
  background: #004a99;
}

.login-hint {
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ========== 响应式 ========== */
@media (max-width: 834px) {
  .app-sidebar {
    display: none;
  }

  .app-main {
    padding: 24px 16px;
  }

  .page-title {
    font-size: 32px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .action-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 32px 24px;
  }

  .page-title {
    font-size: 28px;
  }
}

/* ========== RBAC 管理页面 ========== */
.rbac-page {
  max-width: 980px;
  margin: 0 auto;
}

.rbac-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.rbac-page .table {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.rbac-page .table th {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid rgba(0, 0, 0, 0.06);
  padding: 12px 16px;
}

.rbac-page .table td {
  font-size: 14px;
  padding: 12px 16px;
  vertical-align: middle;
}

.rbac-page .table code {
  font-size: 13px;
  color: var(--color-apple-blue);
  background: rgba(0, 113, 227, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ========== 角色编辑表单 ========== */
.rbac-role-form {
  max-width: 680px;
}

.rbac-form-section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.rbac-form-section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.rbac-form-section .form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.rbac-form-section .form-text {
  font-size: 12px;
}

.rbac-form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* ========== 权限树 ========== */
.perm-tree {
  margin-top: 12px;
}

.perm-group {
  margin-bottom: 20px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.perm-group-header {
  background: var(--color-light-gray);
  padding: 10px 16px;
}

.perm-group-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin: 0;
  font-size: 15px;
}

.perm-group-items {
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.perm-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 14px;
  margin: 0;
}

.perm-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.perm-item small {
  color: var(--text-tertiary);
  font-size: 12px;
}

.perm-checkall {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ========== 权限列表页 ========== */
.rbac-perm-group {
  margin-bottom: 32px;
}

.rbac-perm-group-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

/* ========== Bootstrap 按钮覆盖（Apple 风格） ========== */
.btn-primary {
  background-color: var(--color-apple-blue);
  border-color: var(--color-apple-blue);
}

.btn-primary:hover {
  background-color: #005bb5;
  border-color: #005bb5;
}

.btn-outline-primary {
  color: var(--color-apple-blue);
  border-color: var(--color-apple-blue);
}

.btn-outline-primary:hover {
  background-color: var(--color-apple-blue);
  border-color: var(--color-apple-blue);
}

.btn-sm {
  font-size: 13px;
  padding: 4px 12px;
}